Question details

Controller AC 800M OPC Connections

We moved a pair of AC800M OPC servers off of a combined aspect/connectivity server and created a new dedicated connectivity server due to resource allocation in the ASCS and future expansion.

The controllers were in a production mode during this handover and couldn't be reset in this process. There was a brief period when the controller was communicating to both connectivity pairs.

Now that the old pair of OPC servers has been completely removed, I would like to lower the "max number of subscriptions" to the two working connectivity servers, but I am not sure how the controller decides which connection(s) will be removed. Is there a way to select which OPC connections should be removed? Does this require a controller reset? Anyone familiar with how this is handled?